Chess Board
[ECO code C61] Do not scroll the screen..! Move Move Here Move Here
RUY LOPEZ
Bird Defence
White's endangered QKt5(b5) bishop to QB4(c4) lost a tempo targeting KB7(f7) - a safe but weak move.
Black develops his King's Bishop to QB4(c5) to defend his centre knight, leaving his KP en prise (Fr. "in a position to be taken") to tempt White. B-Alt.
	White	Black
 1.	P-K4	P-K4
 2.	Kt-KB3	Kt-QB3
 3.	B-Kt5	Kt-Q5
 4.	B-B4	B-B4
WHITE to Move or Undo or Jump or Clear
 
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Chess Board

WHITE moves king's-side Knight:

KtxKt (Nxd4) or KtxP (Nxe5) ?

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